today I encountered that it is impossible to set state in react native using old state value and then utilizing spread operator like this: setSomeValue(oldValue => {...oldValue, someField: 'newValue'}) it is necessary to add parentheses: setSomeValue(oldValue => ({...oldValue, someField: 'newValue'}))…
in this case, it will trigger render again when I call updateNumber(), so how can create the valuable that it is for saving data only? function test() { const [cartNum, setCartNum] = useState(0); function updateNumber() { setCartNum(number +1); } return…
I am working on React Native app for which I have all the components are class based. Now I have to implement the screen rotation functionality that change the design according to screen rotation. I am trying to use the…
Hi i am trying to fetch data from sanity CMS and then pass it with props to my child component . but its not working. The same thing and code worked on my other screen but here I am getting…
I have the below file and I am trying to call setAuthState however I can't seem to figure out how to call this function from another file. This context file is content from a mix of online sources with my…
I have a react native project. Part of my react native project is a grid that I created. When a user clicks on an item in the grid, I want to update an array that I have set in state…
i want to change a state after a button press on a touchableHighlight component. The problem is that the state doesn't update immediately, but it does after i press another one of the rendered components, and it adds the previous…
I want to play 2 videos with play pause by one button. both Video will pause on same time and will play on same time when we clicked on button. I am using react-native-video.
I am getting the below errors when I tried to fetch array data from firebase firestore. How can I solve this issue could someone please suggest me the code structure. VM22 bundle.js:3927 Warning: Each child in a list should have…
How can I stop my user to open my React Native app on their phone until they will not turn on their wifi or mobile data? and want to show a message or notification to turn on their internet connection…